SET – Single embryo transfer

What is single embryo transfer (SET)?

  • Single embryo transfer (SET) is a procedure in which one embryo, chosen from a larger number of available embryos, is planted in the uterus or fallopian tube.
  • The embryo selected for SET might be from a previous IVF cycle (cryopreserved embryos (frozen)) or from the fresh IVF cycle that yielded more than one embryo.
  • The remaining embryos may be set aside for future use or cryopreservation.
  • SET helps women avoid several risks to their health that are associated with carrying multiples.
  • It also helps families achieve success while preventing some risks known to be related to giving birth to twins or “high order multiple births.”
  • Infants born in multiple births are more often born early, are smaller (low birth weight) and experience more serious health outcomes than singleton infants.